6.8 SPC Bolt Carrier Group Nitride QPQ
This is a Nitride QPQ 6.8 SPC Bolt Carrier Group fully assembled and ready to drop into your rifle. Everything on this Bolt Carrier Group is machined complete all to Mil-Spec standards and hardened to USGI Specifications.
8620 Steel Carrier Nitride QPQ
9310 Arc-Vac Steel 6.8 SPC Bolt Nitride QPQ
Tool Steel Extractor Nitride QPQ
4140 Steel Gas Key Nitride QPQ
4340 Steel Cam Pin Nitride QPQ
Gas Key is staked to Mil-Spec Standards
Grade 8 Hardened Fasteners Nitride QPQ
Shot peened
MPI tested
Upgraded with extractor insert and Crane O-Ring
